DE69826280D1 - GRID FOR A CORE FUEL BUNCH WITH DIAGONAL FUEL-HOLDING SPRINGS - Google Patents

GRID FOR A CORE FUEL BUNCH WITH DIAGONAL FUEL-HOLDING SPRINGS

Info

Publication number
DE69826280D1
DE69826280D1 DE69826280T DE69826280T DE69826280D1 DE 69826280 D1 DE69826280 D1 DE 69826280D1 DE 69826280 T DE69826280 T DE 69826280T DE 69826280 T DE69826280 T DE 69826280T DE 69826280 D1 DE69826280 D1 DE 69826280D1
Authority
DE
Germany
Prior art keywords
fuel
grid
bunch
diagonal
holding springs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69826280T
Other languages
German (de)
Other versions
DE69826280T2 (en
Inventor
M Nguyen
E Demario
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Co LLC
Original Assignee
Westinghouse Electric Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Electric Co LLC filed Critical Westinghouse Electric Co LLC
Application granted granted Critical
Publication of DE69826280D1 publication Critical patent/DE69826280D1/en
Publication of DE69826280T2 publication Critical patent/DE69826280T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G21C3/356—Spacer grids being provided with fuel element supporting members
    • G21C3/3563—Supporting members formed only by deformations in the strips
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G21C3/356—Spacer grids being provided with fuel element supporting members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Fuel Cell (AREA)
DE69826280T 1997-07-02 1998-06-25 GRID FOR A CORE BURNER WITH DIAGONAL BRUSH-STABLE SPRINGS Expired - Lifetime DE69826280T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US887016 1997-07-02
US08/887,016 US6144716A (en) 1997-07-02 1997-07-02 Nuclear fuel assembly grid with diagonal fuel retaining springs
PCT/US1998/013211 WO1999001872A2 (en) 1997-07-02 1998-06-25 A nuclear fuel assembly grid with diagonal fuel retaining springs

Publications (2)

Publication Number Publication Date
DE69826280D1 true DE69826280D1 (en) 2004-10-21
DE69826280T2 DE69826280T2 (en) 2005-11-17

Family

ID=25390278

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69826280T Expired - Lifetime DE69826280T2 (en) 1997-07-02 1998-06-25 GRID FOR A CORE BURNER WITH DIAGONAL BRUSH-STABLE SPRINGS

Country Status (9)

Country Link
US (1) US6144716A (en)
EP (1) EP0992038B1 (en)
JP (1) JP3986096B2 (en)
KR (1) KR100627544B1 (en)
CN (1) CN1127736C (en)
DE (1) DE69826280T2 (en)
ES (1) ES2227854T3 (en)
TW (1) TW440877B (en)
WO (1) WO1999001872A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3872598B2 (en) * 1998-07-08 2007-01-24 三菱重工業株式会社 Reactor fuel assembly support grid
US6310932B1 (en) * 2000-10-23 2001-10-30 Westinghouse Electric Company Llc Fretting resistant spring design
DE102004014499B3 (en) * 2004-03-25 2005-09-01 Framatome Anp Gmbh Fuel element for a pressure water nuclear reactor, with a number of fuel rods, has spaced holders in grid cells with flow units to give structured cool water flows
US7149273B2 (en) * 2004-11-16 2006-12-12 Westinghouse Electric Co Llc Method of fabricating a nuclear reactor fuel assembly grid
US20060251205A1 (en) * 2005-05-02 2006-11-09 Westinghouse Electric Co. Llc In-core fuel restraint assembly
US7623612B2 (en) * 2006-03-27 2009-11-24 Westinghouse Electric Co. Llc Bi-alloy spacer grid and associated methods
KR100932436B1 (en) * 2007-08-27 2009-12-17 한전원자력연료 주식회사 Support grid with canoe-shaped spring to prevent fuel rod fretting wear
KR101017318B1 (en) * 2008-12-26 2011-02-28 한전원자력연료 주식회사 Nuclear Fuel Grid Assembly with Hydraulically Balanced Mixing Vane Pattern
US10176899B2 (en) 2012-09-04 2019-01-08 Global Nuclear Fuel-Americas, Llc Spacers with deflection-limited rod contacts for nuclear fuel assemblies and methods of making the same
US10128004B2 (en) * 2013-10-04 2018-11-13 Westinghouse Electric Company Llc High temperature strength, corrosion resistant, accident tolerant nuclear fuel assembly grid
CN111524616B (en) * 2020-05-14 2023-09-01 吉林农业大学 Integral spacer grid based on additive manufacturing process
CN114220558B (en) 2021-11-18 2023-06-13 中国核动力研究设计院 Fuel assembly grid, fuel assembly and pressurized water reactor core

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928131A (en) * 1969-08-14 1975-12-23 William J Wachter Grid structure for nuclear reactor fuel assembly
FR2520149B1 (en) * 1982-01-20 1987-03-20 Commissariat Energie Atomique SPACING GRID FOR FUEL ASSEMBLY OF NUCLEAR REACTOR COMPRISING SUPPORT POINTS OPPOSED TWO TO TWO PRACTICES ON ELASTICALLY DEFORMABLE SLATS
US4900508A (en) * 1984-12-24 1990-02-13 Combustion Engineering, Inc. High strength nuclear fuel grid
US4725402A (en) * 1986-04-28 1988-02-16 Combustion Engineering, Inc. Welded nuclear fuel grid and method
JPH0311757Y2 (en) * 1986-11-15 1991-03-20
DE3881963T2 (en) * 1987-05-22 1993-09-30 Westinghouse Electric Corp Nuclear fuel rod support grille.
US4803043A (en) * 1987-05-22 1989-02-07 Westinghouse Electric Corp. Nuclear fuel rod grid spring and dimple structures
US4879090A (en) * 1987-08-24 1989-11-07 Combustion Engineering, Inc. Split vaned nuclear fuel assembly grid
US4895698A (en) * 1988-03-14 1990-01-23 Westinghouse Electric Corp. Nuclear fuel rod grip with modified diagonal spring structures
US4923669A (en) * 1989-02-21 1990-05-08 Westinghouse Electric Corp. Nuclear fuel rod grid spring and dimple structures having chamfered edges for reduced pressure drop
DE4006264A1 (en) * 1990-02-28 1991-08-29 Siemens Ag BOILER WATER CORE REACTOR AND CORE REACTOR FUEL ELEMENT FOR THIS BOILER WATER CORE REACTOR
US5188797A (en) * 1991-04-03 1993-02-23 Combustion Engineering, Inc. Extended weld tab for fuel assembly grid
US5139736A (en) * 1991-04-03 1992-08-18 Combustion Engineering, Inc. Fuel assembly support grid
JP3089073B2 (en) * 1991-12-20 2000-09-18 三菱重工業株式会社 Support grid for nuclear fuel assemblies
US5265140A (en) * 1992-06-29 1993-11-23 Combustion Engineering, Inc. Inverted vane mixing grid
US5303276A (en) * 1992-10-29 1994-04-12 Westinghouse Electric Corp. Fuel assembly including deflector vanes for deflecting a component of a fluid stream flowing past such fuel assembly
US5444748A (en) * 1994-04-04 1995-08-22 Westinghouse Electric Corporation Grid structure for supporting fuel rods in a nuclear reactor

Also Published As

Publication number Publication date
DE69826280T2 (en) 2005-11-17
ES2227854T3 (en) 2005-04-01
TW440877B (en) 2001-06-16
US6144716A (en) 2000-11-07
JP3986096B2 (en) 2007-10-03
WO1999001872A2 (en) 1999-01-14
EP0992038A2 (en) 2000-04-12
KR20010020587A (en) 2001-03-15
WO1999001872A3 (en) 1999-03-25
KR100627544B1 (en) 2006-09-22
CN1127736C (en) 2003-11-12
JP2002508075A (en) 2002-03-12
CN1261976A (en) 2000-08-02
EP0992038B1 (en) 2004-09-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition